Climate Overview
The climate in Long Xuyên is hot. The average annual temperature is 28°C and approximately 2022mm of precipitation falls per year. October is the wettest month, receiving around 315mm of rainfall. Long Xuyên is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are February, January, December, when temperatures can drop to 23°C.
Temperature
Long Xuyên sees moderate temperature variation throughout the year, ranging from 23°C to 34°C. The warmest month is April, when average highs reach 34°C and the mean temperature sits around 30°C. February is the coolest month, with minimum temperatures around 23°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Long Xuyên is a very wet location, receiving approximately 2022mm of precipitation annually, which averages out to around 168mm per month. The wettest month is October, averaging 315mm of rainfall. September and June also tend to see above-average precipitation. The driest month is February, with just 23mm. That's 292mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Long Xuyên is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
89 days until Autumn
It is currently summer in Long Xuyên, which began on June 21, 2026. Long Xuyên is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 34°C, while the coldest stretch bottoms out in February near 23°C. Autumn is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 34°C. Rainfall is heavy, totalling around 317mm across the season with a monthly average of 106mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 32°C. Rainfall is heavy, totalling around 774mm across the season with a monthly average of 258mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 760mm across the season with a monthly average of 253mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 31°C. Precipitation is moderate at around 172mm for the season, averaging 57mm per month. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Long Xuyên based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
